| Middlesex to Perth | 3,268.29 mi (5,259.80 km) |
| Middlesex to Peterborough | 3,460.32 mi (5,568.85 km) |
| Middlesex to Peterhead | 3,312.71 mi (5,331.30 km) |
| Middlesex to Peterlee | 3,374.73 mi (5,431.11 km) |
| Middlesex to Petersfield | 3,465.18 mi (5,576.67 km) |
| Middlesex to Pinner | 3,474.85 mi (5,592.22 km) |
| Middlesex to Pitsea | 3,511.74 mi (5,651.60 km) |
| Middlesex to Plumstead | 3,496.64 mi (5,627.30 km) |
| Middlesex to Plymouth | 3,344.78 mi (5,382.91 km) |
| Middlesex to Plympton | 3,348.33 mi (5,388.62 km) |
| Middlesex to Plymstock | 3,347.28 mi (5,386.92 km) |
| Middlesex to Polegate | 3,517.96 mi (5,661.61 km) |
| Middlesex to Ponders End | 3,487.68 mi (5,612.88 km) |
| Middlesex to Pont-y-pwl | 3,364.10 mi (5,414.00 km) |
| Middlesex to Pontardulais | 3,322.89 mi (5,347.68 km) |
